SEA06CA191

NTSB accident investigation · Maule M-6-235 · Ronan, MT · September 29, 2006

Accident · No injuriesData collectionFinal report
Date
September 29, 2006, 14:30 local (20:30 UTC)
Place
Ronan, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9918TMaule M-6-235
Weather
Visual (VMC) · Day
Status
Completed · report February 26, 2007
Report
Approved by Office Director
FAA report
20060929019149A
Case key
64625

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to maintain directional control during the landing roll in the tailwheel-equipped aircraft. A swale (sunken area) between the runway and the taxiway was a factor.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterLanding - roll
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - otherFactor

Analysis

During the landing roll in the tailwheel-equipped aircraft, the pilot failed to maintain directional control, and the aircraft departed the side of the runway. After departing the runway, the aircraft rolled through a swale (sunken area) between the runway and the taxiway. As it was coming up out of the swale, the aircraft's right wing contacted the ground, resulting in substantial damage. In his written statement, the pilot said, "I should have maintained better directional control of the aircraft on the runway..." There was no indication of a flight control malfunction.

Factual narrative

During the landing roll in the tail wheel-equipped aircraft, the pilot failed to maintain directional control, and the aircraft departed the side of the runway. After departing the runway, the aircraft rolled through a swale (sunken area) between the runway and the taxiway. As it was coming up out of the swale, the aircraft's right wing contacted the ground, resulting in substantial damage. In his written statement, the pilot said, "I should have maintained better directional control of the aircraft on the runway..." There was no indication of a flight control malfunction.

Aircraft

Registration
N9918T
Reported as
Maule M-6-235
Category
Airplane
Serial number
7491C
Engine
Lycoming IO-540-W1A, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Randle V. White
Airworthiness certificate
Standard, Normal
Departed
KMSO · Missoula, MT
Destination
7S0 · Ronan, MT
Airport
7S0 · Ronan Airport, runway 34

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
61
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3
Flight hours
261 total · 100 in this make and model · 10 in the last 90 days · 1 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
72 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.